Analysis of the Influence of Pre-strengthening Measures on Controlling the Settlement of Houses Around Foundation Pit
In the process of urban construction,the influence of pre-reinforcement measures on the settlement of surrounding buildings is par-ticularly critical.Taking a downtown foundation pit project as an example,combined with the characteristics of the surrounding buildings,the reinforcement construction is carried out by using high-pressure rotary jet pile reinforcement and pre-reinforcement of doorframe anti-pulling pile.The practical results show that the integrity of steel support foundation makes the building rigid tilt;The mobility of soft soil is reduced by the gantry pile.The settlement amount and settlement rate of ground surface and building are positively correlated with the distance from foun-dation pit.The approximate influence range of foundation pit excavation is 2.5 times the depth of foundation pit excavation.
Building settlementSteel support foundationDoorframe type pull out pile
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